#D33B3C#D33B3C

#D33B3C is a mid, vivid red. Relative luminance 0.173; OKLCH L 58.0% C 0.189 H 25.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#D33B3C
RGB	rgb(211, 59, 60)
HSL	hsl(360, 63%, 53%)
HSV	hsv(360, 72%, 83%)
CMYK	cmyk(0%, 72%, 71.6%, 17.3%)
CIE-LAB	lab(48.65, 58.92, 35.03)
CIE-LCH	lch(48.65, 68.55, 30.74°)
OKLab	oklab(58% 0.1713 0.0799)
OKLCH	oklch(58% 0.189 25)
XYZ	xyz(29.2468, 17.3075, 6.0748)
Luminance	0.1730 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33B3C #3BD3D2

analogous

#D33B88 #D33B3C #D3863B

triadic

#D33B3C #3CD33B #3B3CD3

tetradic

#D33B3C #88D33B #3BD3D2 #863BD3

square

#D33B3C #88D33B #3BD3D2 #863BD3

split-complementary

#D33B3C #3BD386 #3B88D3

monochromatic

#791B1C #AB2627 #D33B3C #DE6D6E #E99F9F

Accessibility & contrast

On white

4.71

#D33B3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#D33B3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33B3C

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33B3C	#FFFFFF	#000000	##FFFFFF
##D33B3C	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675F3A

Deuteranopia (green-blind)

#8D7F37

Tritanopia (blue-blind)

#E8003D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d33b3c;
/* rgb */ color: rgb(211, 59, 60);
/* oklch */ color: oklch(58.0% 0.189 25.0);

Tailwind

colors: {
  custom: {
    50: '#e97c72',
    500: '#d33b3c',
    950: '#000000',
  },
}

SCSS

$custom: #d33b3c;
$custom-light: #e97c72;
$custom-dark: #000000;

JSON

{
  "hex": "#d33b3c",
  "rgb": {
    "r": 211,
    "g": 59,
    "b": 60
  },
  "hsl": {
    "h": 359.605,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58003,
    "c": 0.18904,
    "h": 25
  },
  "luminance": 0.17303
}

Semantic roles & 50–950 ramp

primary

#D33B3C

secondary

#94D6D5

accent

#E6E541

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A08

muted

#867C7B

Preview Lab

Preview with #D33B3C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →